itip, scotty: Add help texts for arguments

diff --git a/itip b/itip
index 7450384..57c5b11 100755 (executable)
--- a/itip
+++ b/itip
@@ -15,8 +15,8 @@ def inblue(x):
     return '\033[94m' + x + '\033[0m'
 
 parser = argparse.ArgumentParser(description='Get realtime public transport information for Vienna')
-parser.add_argument('line', nargs='?')
-parser.add_argument('station', nargs='?')
+parser.add_argument('line', nargs='?', help='line name (e.g. 59A)')
+parser.add_argument('station', nargs='?', help='station name (e.g. Karlsplatz)')
 
 args = parser.parse_args()
 

diff --git a/scotty b/scotty
index d3a9f1b..8ad87be 100755 (executable)
--- a/scotty
+++ b/scotty
@@ -9,8 +9,8 @@ from gotovienna.routing import *
 parser = argparse.ArgumentParser(description='Get public transport route for Vienna')
 parser.add_argument('-ot', metavar='type', type=str, help='origin type: %s' % ' | '.join(POSITION_TYPES), default='stop', choices=POSITION_TYPES)
 parser.add_argument('-dt', metavar='type', type=str, help='destination type: %s' % ' | '.join(POSITION_TYPES), default='stop', choices=POSITION_TYPES)
-parser.add_argument('origin', nargs='?')
-parser.add_argument('destination', nargs='?')
+parser.add_argument('origin', nargs='?', help='origin station name')
+parser.add_argument('destination', nargs='?', help='destination station name')
 
 args = parser.parse_args()